Two protests on Sunday morning, in the normally quiet blocks north of Ground Zero, claimed to be on the side of tolerance. One camp stood in favor of the mosque and Islamic center that has been proposed for the area; the other argued against. Around 500 of those opposed gathered in a cordoned-off area, heavily monitored by police. They sang patriotic songs and spoke of a hijacked Constitution, a renegade presidency and tolerance toward the sensitivities of New Yorkers whose relatives died in the Sept. 11 terrorist attacks. A counterprotest, smaller but equally passionate, gathered steam two blocks away, where...